Add safety precaution

[ReneDens]

As seen on 33c3 m.inkorrekt: Add satety precaution: do not place fluid with high rxpansion rates or low vaporizing pressure or bottle with it in the ultra sonic cleaner.

[vale]

I do not see any safety issue

[nightvisi0n]

I do not see any safety issue

[sedrubal]

Not sure what they did there and if this applies for us. We've to reproduce the issue with our machine. 🍾

[arwarw]

Carbonated beverages release their CO₂ at a very high rate when the bottle is immersed in an ultrasonic bath. Shouldn't be more dangerous than vigorously shaking the bottle, dropping it or adding Mentos™©®. The only real problem is the mess this causes imho.